(OLD MODEL) Crucial MX100 128GB SATA 2.5" 7mm (with 9.5mm adapter) Internal Solid State Drive CT128MX100SSD1 Sequential Write: 150MB/s - Sequential Read: 550MB/s Available as 2.5" 7mm SATA III at 128GB, 256GB, and 512GB capacities 256GB and 512GB incorporate Micron's new 90 Series 16nm 128GB NAND Performance at all capacities represents a significant improvement over M500 Every MX100 includes a download of Acronis True Image 2014 OEM Edition PC backup and recovery